[FFmpeg-trac] #8660(undetermined:new): mpegts recognize s302m as private data stream

[FFmpeg]

#8660: mpegts recognize s302m as private data stream
-------------------------------------+-------------------------------------
             Reporter:  jb_alvarado  |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by jb_alvarado):

 Sorry, here is complete output:


 {{{
 ffmpeg -f lavfi -i nullsrc=s=256x256:d=30 -f lavfi -i
 anullsrc=r=48000:cl=stereo -shortest -c:v mpeg2video -c:a s302m -strict -2
 -ar 48000 -ac 2 -y -f mpegts /dev/null
 ffmpeg version git-2020-05-10-a058d81 Copyright (c) 2000-2020 the FFmpeg
 developers
   built with gcc 10 (GCC)
   configuration: --disable-debug --disable-shared --disable-doc --enable-
 gpl --enable-version3 --enable-runtime-cpudetect --enable-avfilter
 --enable-zlib --enable-fontconfig --enable-libfdk-aac --enable-libfribidi
 --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libsoxr
 --enable-libsrt --enable-libtwolame --enable-libvpx --enable-libx264
 --enable-libx265 --enable-libzimg --enable-libzmq --enable-nonfree
 --enable-opengl --enable-openssl --enable-pic
   libavutil      56. 43.100 / 56. 43.100
   libavcodec     58. 83.100 / 58. 83.100
   libavformat    58. 43.100 / 58. 43.100
   libavdevice    58.  9.103 / 58.  9.103
   libavfilter     7. 80.100 /  7. 80.100
   libswscale      5.  6.101 /  5.  6.101
   libswresample   3.  6.100 /  3.  6.100
   libpostproc    55.  6.100 / 55.  6.100
 Input #0, lavfi, from 'nullsrc=s=256x256:d=30':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 256x256
 [SAR 1:1 DAR 1:1], 25 tbr, 25 tbn, 25 tbc
 Input #1, lavfi, from 'anullsrc=r=48000:cl=stereo':
   Duration: N/A, start: 0.000000, bitrate: 768 kb/s
     Stream #1:0: Audio: pcm_u8, 48000 Hz, stereo, u8, 768 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg2video (native))
   Stream #1:0 -> #0:1 (pcm_u8 (native) -> s302m (native))
 Press [q] to stop, [?] for help
 Output #0, mpegts, to '/dev/null':
   Metadata:
     encoder         : Lavf58.43.100
     Stream #0:0: Video: mpeg2video (Main), yuv420p(progressive), 256x256
 [SAR 1:1 DAR 1:1], q=2-31, 200 kb/s, 25 fps, 90k tbn, 25 tbc
     Metadata:
       encoder         : Lavc58.83.100 mpeg2video
     Side data:
       cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
     Stream #0:1: Audio: s302m, 48000 Hz, stereo, s16, 1920 kb/s
     Metadata:
       encoder         : Lavc58.83.100 s302m
 [mpegts @ 0x393bf80] Stream 1, codec s302m, is muxed as a private data
 stream and may not be recognized upon reading.
 [Parsed_nullsrc_0 @ 0x38ff5c0] EOF timestamp not reliable
 frame=  750 fps=0.0 q=2.0 Lsize=    7566kB time=00:00:29.99
 bitrate=2066.3kbits/s speed= 128x
 video:170kB audio:7040kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 4.930064%

 }}}

 The file is working, but the message is confusing, because it implies that
 the audio codec is not known.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8660#comment:3>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker